7
EN
1.2
Preliminary checks
a
WARNING
– Should it be necessary to access the areas in the
bottom part of the appliance, make sure that the
system components and pipes are not hot (risk of
burning).
– Before replenishing the heating system, put on
protective gloves.
Commissioning of the
Brava Slim 40 BFT
boiler must be carried out
by professionally qualified technicians, after which the boiler can
operate automatically. It may, however, be necessary for the user
to start the appliance autonomously without involving a technician:
for example, after a holiday.
First of all check that the gas isolation and water system valves
are open.
1.3
Ignition
After having carried out the preliminary checks, perform the
following to start the boiler:
– set the main system switch to "ON" in order for the display to
show the pressure level in the system during refilling
–
make sure that the operating mode is set to "Stand-by";
if this is
not the case, press the button
y
until "Stand-by" mode has
been selected
ON
Fig. 2
– on the display (1), check that the heating system pressure when
cold is
1-1.2 bar
. Otherwise, open the filling valve, which is to be
prearranged on the system return, and fill until a pressure of
1-1.2 bar
is shown on the display (1)
– close the filling valve
1
Fig. 3
– select the "SUMMER"
l
operating mode by pressing and
holding the
y
button for at least 1 second. the value of the
delivery sensor detected at that moment will appear on the
display
– open one or more than one hot water tap. The boiler will work at
maximum power until the taps are closed.
Once the boiler has been commissioned in "SUMMER mode"
l
"WINTER mode"
n
can be selected by pressing and holding the
button
y
for at least 1 second. The value of the delivery water
temperature detected at that moment will appear on the display.
In this case it is necessary to adjust the air thermostat/s to the
required temperature or if the system has a chrono-thermostat,
check that this is "active" and adjusted.
1.4
Adjusting the heating temperature
If the heating temperature is to be increased or decreased, press
the button
t
followed by the buttons
>
or
<
until the desired
temperature is reached. The temperature can be set to between
20 and 80°C.
1.5
Adjusting the domestic hot water
temperature
If the domestic hot water temperature is to be increased or
decreased, press the button
r
followed by the buttons
>
or
<
until
the desired temperature is reached. The temperature can be set to
between 10 and 60°C.
